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56497146 = 2319495589
BaseRepresentation
bin1101011110000…
…1001111111010
310221022100111220
43113201033322
5103430402041
65334532510
71254134466
oct327411772
9127270456
1056497146
1129989162
1216b07136
13b921784
1477094a6
154e5ed66
hex35e13fa

56497146 has 16 divisors (see below), whose sum is σ = 118941600. Its totient is φ = 17841168.

The previous prime is 56497123. The next prime is 56497153. The reversal of 56497146 is 64179465.

It is a super-2 number, since 2×564971462 = 6383855012290632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56497098 and 56497107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247681 + ... + 247908.

It is an arithmetic number, because the mean of its divisors is an integer number (7433850).

Almost surely, 256497146 is an apocalyptic number.

56497146 is an abundant number, since it is smaller than the sum of its proper divisors (62444454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56497146 is a wasteful number, since it uses less digits than its factorization.

56497146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495613.

The product of its digits is 181440, while the sum is 42.

The square root of 56497146 is about 7516.4583415329. The cubic root of 56497146 is about 383.7150528217.

The spelling of 56497146 in words is "fifty-six million, four hundred ninety-seven thousand, one hundred forty-six".

Divisors: 1 2 3 6 19 38 57 114 495589 991178 1486767 2973534 9416191 18832382 28248573 56497146